.page-home {
  --home-gap: clamp(14px, 2.2vw, 24px);
  --home-pad: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-home .breadcrumb {
  margin: 18px 0 14px;
  font-size: 13px;
  color: var(--silver);
}

/* ---------- 拼贴首屏 ---------- */
.page-home .hero-collage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .hero-main {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: var(--bw) solid var(--graphite);
  box-shadow: var(--shadow-hard);
  background: var(--ink-2);
  display: flex;
  align-items: flex-end;
  min-height: 330px;
}

.page-home .hero-main::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 104px;
  height: 8px;
  background: var(--orange);
  z-index: 2;
}

.page-home .hero-main__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
  filter: grayscale(0.35) contrast(1.08);
  z-index: -1;
}

.page-home .hero-main__body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--home-pad);
}

.page-home .hero-main h1 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(27px, 4.4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ice);
  margin: 10px 0 14px;
  max-width: 20ch;
}

.page-home .hero-main__lede {
  margin: 0 0 22px;
  color: var(--ice);
  opacity: 0.88;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  max-width: 46ch;
}

.page-home .hero-main__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .hero-rail {
  border: var(--bw) solid var(--graphite);
  border-top: 6px solid var(--green);
  background: linear-gradient(165deg, var(--ink-2), var(--ink));
  box-shadow: var(--shadow-hard);
  padding: var(--home-pad);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .hero-rail__ver {
  font-family: var(--font-mono);
  font-size: clamp(34px, 5vw, 50px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--orange);
  margin: 0;
}

.page-home .hero-rail__note {
  margin: 6px 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .hero-rail__link {
  font-family: var(--font-cond);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green);
  align-self: flex-start;
  padding-bottom: 2px;
}

.page-home .hero-sub {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px var(--home-pad);
  border: var(--bw) solid var(--graphite);
  border-left: 6px solid var(--green);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  color: var(--ice);
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-home .hero-sub:hover,
.page-home .hero-sub:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--graphite);
}

.page-home .hero-sub__tag {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--green);
}

.page-home .hero-sub strong {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

.page-home .hero-sub__go {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
}

.page-home .hero-tape {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: var(--bw) solid var(--graphite);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-home .tape-cell {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 14px 18px;
  border-top: var(--bw) dashed var(--graphite);
}

.page-home .tape-cell:first-child {
  border-top: 0;
}

.page-home .tape-cell__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
  white-space: nowrap;
}

.page-home .tape-cell__label {
  font-size: 14px;
  color: var(--ice);
  opacity: 0.86;
}

/* ---------- 数据条 ---------- */
.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--home-gap);
  border: var(--bw) solid var(--graphite);
  background: var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-home .home-stat {
  padding: 16px 18px;
  border-top: var(--bw) solid var(--graphite);
  border-left: var(--bw) solid var(--graphite);
}

.page-home .home-stat:nth-child(2n + 1) {
  border-left: 0;
}

.page-home .home-stat:nth-child(-n + 2) {
  border-top: 0;
}

.page-home .home-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 600;
  color: var(--green);
  line-height: 1.1;
}

.page-home .home-stat__label {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--silver);
}

/* ---------- 主区骨架 ---------- */
.page-home .home-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  margin-top: clamp(26px, 4.5vw, 54px);
}

.page-home .home-section {
  border-top: 3px solid var(--graphite);
  padding-top: clamp(20px, 3vw, 34px);
  scroll-margin-top: 96px;
}

.page-home .home-section + .home-section {
  margin-top: clamp(30px, 5vw, 62px);
}

.page-home .sec-head {
  max-width: 62ch;
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-home .sec-head h2 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(23px, 3.1vw, 37px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ice);
  margin: 8px 0 12px;
}

.page-home .sec-lede {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-home .home-figure {
  margin: 0;
  border: var(--bw) solid var(--graphite);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home .home-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--silver);
  border-top: var(--bw) solid var(--graphite);
}

/* ---------- 战报速览 ---------- */
.page-home .brief-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .brief-panel {
  position: relative;
}

.page-home .topic-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-home .topic-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-home .topic-btn {
  font-family: var(--font-cond);
  font-size: 14px;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: 7px 14px;
  border: var(--bw) solid var(--graphite);
  background: var(--ink-2);
  color: var(--silver);
  cursor: pointer;
  user-select: none;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.page-home .topic-btn:hover {
  color: var(--ice);
  border-color: var(--green);
}

.page-home #topic-all:checked ~ .topic-bar label[for="topic-all"],
.page-home #topic-round:checked ~ .topic-bar label[for="topic-round"],
.page-home #topic-lineup:checked ~ .topic-bar label[for="topic-lineup"],
.page-home #topic-version:checked ~ .topic-bar label[for="topic-version"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink-deep);
}

.page-home #topic-round:checked ~ .brief-grid .brief-card:not([data-topic="round"]),
.page-home #topic-lineup:checked ~ .brief-grid .brief-card:not([data-topic="lineup"]),
.page-home #topic-version:checked ~ .brief-grid .brief-card:not([data-topic="version"]) {
  display: none;
}

.page-home .brief-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .brief-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 18px;
  border: var(--bw) solid var(--graphite);
  background: var(--ink-2);
  box-shadow: 5px 5px 0 var(--graphite);
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}

.page-home .brief-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--graphite);
}

.page-home .brief-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-home .brief-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-home .brief-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}

.page-home .brief-aside {
  border: var(--bw) solid var(--graphite);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home .brief-aside img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: var(--bw) solid var(--graphite);
}

.page-home .brief-aside__body {
  padding: 18px;
}

.page-home .field-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .field-list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--graphite);
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
}

.page-home .field-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .field-list span {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--green);
  letter-spacing: 0.04em;
}

/* ---------- 变更索引 ---------- */
.page-home .log-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .log-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-home .log-item {
  border: var(--bw) solid var(--graphite);
  background: var(--ink-2);
  box-shadow: 4px 4px 0 var(--graphite);
}

.page-home .log-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.16s ease;
}

.page-home .log-item summary::-webkit-details-marker {
  display: none;
}

.page-home .log-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--green);
}

.page-home .log-item[open] summary {
  border-bottom: var(--bw) solid var(--graphite);
  background: var(--ink);
}

.page-home .log-item[open] summary::after {
  content: "−";
}

.page-home .log-item__ver {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-home .log-item__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ice);
}

.page-home .log-item__body {
  padding: 14px 16px 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-home .log-note {
  margin: 6px 0 0;
  padding: 14px 16px;
  border-left: 4px solid var(--amber);
  background: var(--ink);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 订阅与赛程 ---------- */
.page-home .sub-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .dir-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border: var(--bw) solid var(--graphite);
  background: var(--ink);
}

.page-home .dir-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-top: 1px solid var(--graphite);
  font-size: 14.5px;
  color: var(--ice);
}

.page-home .dir-list li:first-child {
  border-top: 0;
}

.page-home .dir-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--archive);
}

.page-home .dir-list__hot {
  background: var(--ink-2);
  border-left: 5px solid var(--green);
  font-weight: 600;
}

.page-home .dir-list__hot .dir-list__num {
  color: var(--green);
}

.page-home .sub-benefits ul {
  list-style: none;
  margin: 10px 0 20px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-home .sub-benefits li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .sub-benefits li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--green);
}

.page-home .sub-acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* ---------- 服务路径 ---------- */
.page-home .path {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 720px;
}

.page-home .path__step {
  position: relative;
  margin-left: 17px;
  padding: 0 0 26px 34px;
  border-left: 2px dashed var(--graphite);
}

.page-home .path__step::before {
  content: attr(data-step);
  position: absolute;
  left: -18px;
  top: -2px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--ink);
  border: var(--bw) solid var(--green);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--green);
}

.page-home .path__step:last-child {
  padding-bottom: 0;
}

.page-home .path__step h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ice);
}

.page-home .path__step p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
  max-width: 52ch;
}

.page-home .path__step a {
  font-family: var(--font-cond);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green);
  padding-bottom: 2px;
}

/* ---------- 信任与联系 ---------- */
.page-home .trust-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .trust-cell {
  padding: 16px 18px;
  border: var(--bw) solid var(--graphite);
  border-left: 5px solid var(--archive);
  background: var(--ink-2);
}

.page-home .trust-cell__k {
  margin: 0 0 6px;
  font-family: var(--font-cond);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-home .trust-cell__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .trust-cell__link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green);
}

.page-home .contact-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 20px;
  border: var(--bw) solid var(--graphite);
  border-top: 6px solid var(--green);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-home .contact-card .contact-btn {
  width: 100%;
  justify-content: flex-start;
}

.page-home .contact-card__note {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .contact-card__addr {
  margin: 0 0 6px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ice);
  opacity: 0.85;
}

/* ---------- 右侧索引轨道 ---------- */
.page-home .home-rail {
  border: var(--bw) solid var(--graphite);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .rail-title {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--silver);
}

.page-home .rail-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-home .rail-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 4px;
  font-size: 14px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px dashed var(--graphite);
  transition: color 0.15s ease, padding-left 0.15s ease;
}

.page-home .rail-index a:hover,
.page-home .rail-index a:focus-visible {
  color: var(--green);
  padding-left: 8px;
}

.page-home .rail-index span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--orange);
}

.page-home .rail-block {
  padding-top: 12px;
  border-top: 2px solid var(--graphite);
}

.page-home .rail-block__k {
  margin: 0 0 4px;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--silver);
}

.page-home .rail-block__v {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--orange);
  line-height: 1.1;
}

.page-home .rail-block__t {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--silver);
}

.page-home .rail-block__link {
  font-size: 13px;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green);
}

.page-home .rail-btn {
  display: inline-block;
  text-align: center;
}

.page-home .rail-copy {
  width: 100%;
  justify-content: flex-start;
}

.page-home .rail-help {
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
  text-decoration: none;
  border-left: 3px solid var(--archive);
  padding-left: 10px;
}

.page-home .rail-help:hover {
  color: var(--green);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .home-stat {
    border-top: 0;
  }

  .page-home .home-stat:nth-child(2n + 1) {
    border-left: var(--bw) solid var(--graphite);
  }

  .page-home .home-stat:first-child {
    border-left: 0;
  }

  .page-home .brief-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero-collage {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    grid-template-rows: auto auto auto;
  }

  .page-home .hero-main {
    grid-column: 1;
    grid-row: 1 / span 2;
    min-height: 420px;
  }

  .page-home .hero-rail {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home .hero-sub {
    grid-column: 2;
    grid-row: 2;
  }

  .page-home .hero-tape {
    grid-column: 1 / -1;
    grid-row: 3;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .tape-cell {
    border-top: 0;
    border-left: var(--bw) dashed var(--graphite);
  }

  .page-home .tape-cell:first-child {
    border-left: 0;
  }

  .page-home .brief-layout {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .brief-grid > .brief-card:nth-child(2) {
    margin-top: 24px;
  }

  .page-home .log-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .sub-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .trust-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-home .home-shell {
    grid-template-columns: minmax(0, 1fr) 286px;
    align-items: start;
  }

  .page-home .home-rail {
    position: sticky;
    top: 92px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-sub,
  .page-home .brief-card,
  .page-home .rail-index a,
  .page-home .topic-btn {
    transition: none;
  }

  .page-home .hero-sub:hover,
  .page-home .hero-sub:focus-visible,
  .page-home .brief-card:hover {
    transform: none;
  }
}